Originally Posted by itadriver

In data/cfg folder change:

1)SIM.cfg:

[AI Cannons]
Max error angle=5 ;[deg]
Max fire range=18000 ;[m] (or what you want. I use 18000 becouse I use 20KM mod)
Max fire wait=6 ;[s]

[AI AA guns]
Max error angle=6 ;[deg]
Max fire range=5000 ;[m]
Max fire wait=6 ;[s]


2) CrewAI.cfg

; Weapons.
Cannon range 1=10000 ;[m] close range limit
Cannon range 2=15000 ;[m] medium range limit
Cannon range 3=18000 ;[m] long range limit
AA guns range 1=2000 ;[m] close range limit
AA guns range 2=3000 ;[m] medium range limit
AA guns range 3=6500 ;[m] long range limit

;selection
Cannon Selection Range=18000 ;[m] max range to contact
AAGuns Selection Range=6500 ;[m] max range to contact
Recomended Torpedo Range=2000 ;[m] max range to contact
Recomended Deck Guns Range=18000 ;[m] max range to contact